Legends surround this jagged rock formation in the New Mexico desert.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

Home of the International Space Hall of Fame.

This is one really big nut.

The final resting place of the living embodiment of the famous Forest Service symbol.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

A museum dedicated to the alleged Roswell Incident.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Experience a charming 1930's version of "infotainment."

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

An homage to everyone's favorite prehistoric cartoon family.

See massive fossils that are over 200 million years old in northeastern Arizona.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A reproduction of earth's many biomes.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.